Home / 47,475.16-71,216.78-12,414.76

Finding the Fourth Proportional to 47,475.16, 71,216.78 and 12,414.76

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Solution

The fourth proportional to 47,475.16, 71,216.78 and 12,414.76 is: 18,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,475.16 : 71,216.78 = 12,414.76 : x
  2. Step 2: Convert to fraction form
    47,475.16/71,216.78 = 12,414.76/x
  3. Step 3: Cross multiply
    47,475.16x = 71,216.78 × 12,414.76
  4. Step 4: Simplify right side
    47,475.16x = 884,139,231.67
  5. Step 5: Solve for x
    x = 884,139,231.67/47,475.16
  6. Step 6: Final answer
    x = 18,623.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.